[INFO] fetching crate magnesium 1.2.0...
[INFO] testing magnesium-1.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate magnesium 1.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate magnesium 1.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnesium 1.2.0
[INFO] finished tweaking crates.io crate magnesium 1.2.0
[INFO] tweaked toml for crates.io crate magnesium 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eabf3a3523009016d1e3b60aa4251849064675a7f1d5ce81a922c0f26c10552c
[INFO] running `Command { std: "docker" "start" "-a" "eabf3a3523009016d1e3b60aa4251849064675a7f1d5ce81a922c0f26c10552c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabf3a3523009016d1e3b60aa4251849064675a7f1d5ce81a922c0f26c10552c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabf3a3523009016d1e3b60aa4251849064675a7f1d5ce81a922c0f26c10552c", kill_on_drop: false }`
[INFO] [stdout] eabf3a3523009016d1e3b60aa4251849064675a7f1d5ce81a922c0f26c10552c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f78e2ae58359a8126adc40daaae5d38c541018c75c40cc261b0c8fa75c2fbe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46f78e2ae58359a8126adc40daaae5d38c541018c75c40cc261b0c8fa75c2fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "46f78e2ae58359a8126adc40daaae5d38c541018c75c40cc261b0c8fa75c2fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f78e2ae58359a8126adc40daaae5d38c541018c75c40cc261b0c8fa75c2fbe", kill_on_drop: false }`
[INFO] [stdout] 46f78e2ae58359a8126adc40daaae5d38c541018c75c40cc261b0c8fa75c2fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bd12e601b0af5f8dc2135541d16bbc28eb4d13421be818e34c54a72f852093f
[INFO] running `Command { std: "docker" "start" "-a" "9bd12e601b0af5f8dc2135541d16bbc28eb4d13421be818e34c54a72f852093f", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "9bd12e601b0af5f8dc2135541d16bbc28eb4d13421be818e34c54a72f852093f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd12e601b0af5f8dc2135541d16bbc28eb4d13421be818e34c54a72f852093f", kill_on_drop: false }`
[INFO] [stdout] 9bd12e601b0af5f8dc2135541d16bbc28eb4d13421be818e34c54a72f852093f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e73ccd89dd2998686f42de32b79488ecc80ec780e89ce1857ff1f3db151dab2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e73ccd89dd2998686f42de32b79488ecc80ec780e89ce1857ff1f3db151dab2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/magnesium-532475a2b14ecbba)
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/test_attributes.rs (/opt/rustwide/target/debug/deps/test_attributes-207adaf8d26a94f8)
[INFO] [stdout] test test_break_on_first_char ... ok
[INFO] [stdout] test test_break_on_first_str ... ok
[INFO] [stdout] test elements::test_trim_xml_declaration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parsing ... ok
[INFO] [stderr]      Running tests/test_elements.rs (/opt/rustwide/target/debug/deps/test_elements-64d9526180c099be)
[INFO] [stdout] test empty_string_or_whitespace_gives_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_parsing ... ok
[INFO] [stdout] test test_skipping_comments_parsing ... ok
[INFO] [stdout] test test_empty_tag_no_attrs ... ok
[INFO] [stdout] test test_whitespace_skipping_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests magnesium
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/elements.rs - elements::skip_empty_text_elements (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_comments (line 220) ... ok
[INFO] [stdout] test src/elements.rs - elements::trim_text (line 244) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e73ccd89dd2998686f42de32b79488ecc80ec780e89ce1857ff1f3db151dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e73ccd89dd2998686f42de32b79488ecc80ec780e89ce1857ff1f3db151dab2", kill_on_drop: false }`
[INFO] [stdout] 5e73ccd89dd2998686f42de32b79488ecc80ec780e89ce1857ff1f3db151dab2